Long term forecast forGrepan, Færder (Vestfold og Telemark)

  1. Applies to Oestlandet

    Locally forest fire hazard until significant precipitation.

    Severity
    Yellow severity - moderate danger
    Orange severity - considerable danger
    Red severity - extreme danger
    The colour tells you how severe the situation can become (hjelp.yr.no)

    InstructionsBe careful with open fire. Follow the instructions from the local authorities.

    ConsequencesVegetation is easily ignited and large areas may be affected.

    Tidslinje

    1. Monday June 14, 2021 08:00 - Increasing danger
    2. Ukjent sluttidspunkt
    Map of forest fire danger, yellow level, Oestlandet, 14 June 06:00 UTC to 17 June 20:00 UTC.
Long term forecast
Thursday17 June12–18 Friday18 June14–20 Saturday19 June14–20 Sunday20 June14–20 Monday21 June14–20 Tuesday22 June14–20 Wednesday23 June14–20 Thursday24 June14–20
Partly cloudy.
Cloudy.
Rain showers.
Partly cloudy.
Partly cloudy.
Partly cloudy.
Partly cloudy.
Partly cloudy.
19° 20° 20° 18° 21° 20° 19° 18°
0 mm 0 mm 1.8 mm 0 mm 0 mm 0 mm 0 mm 0 mm
Light breeze, 3 m/s from south-southeast Gentle breeze, 5 m/s from south Gentle breeze, 5 m/s from north-northeast Gentle breeze, 5 m/s from south-southwest Gentle breeze, 5 m/s from south-southwest Gentle breeze, 4 m/s from north-northeast Gentle breeze, 5 m/s from north Moderate breeze, 6 m/s from southwest
  • Rather certain
  • Somewhat uncertain
  • Uncertain
Detailed long term forecast
Date Time Forecast Temp. Precipitation Wind
Thursday 17/06/2021 00:00–06:00
Clear sky.
14° 0 mm Moderate breeze, 6 m/s from south-southwestModerate breeze, 6 m/s from south-southwest
06:00–12:00
Clear sky.
14° 0 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
12:00–18:00
Partly cloudy.
19° 0 mm Light breeze, 3 m/s from south-southeastLight breeze, 3 m/s from south-southeast
18:00–00:00
Partly cloudy.
19° 0 mm Light breeze, 2 m/s from south-southeastLight breeze, 2 m/s from south-southeast
Friday 18/06/2021 00:00–06:00
Rain showers.
17° 1.5 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
08:00–14:00
Cloudy.
16° 0 mm Gentle breeze, 4 m/s from southGentle breeze, 4 m/s from south
14:00–20:00
Cloudy.
20° 0 mm Gentle breeze, 5 m/s from southGentle breeze, 5 m/s from south
20:00–02:00
Cloudy.
18° 0 mm Gentle breeze, 4 m/s from southGentle breeze, 4 m/s from south
Saturday 19/06/2021 02:00–08:00
Rain.
16° 2.7 mm Light breeze, 2 m/s from eastLight breeze, 2 m/s from east
08:00–14:00
Rain.
16° 2.8 mm Gentle breeze, 4 m/s from north-northeastGentle breeze, 4 m/s from north-northeast
14:00–20:00
Rain showers.
20° 1.8 mm Gentle breeze, 5 m/s from north-northeastGentle breeze, 5 m/s from north-northeast
20:00–02:00
Partly cloudy.
19° 0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
Sunday 20/06/2021 02:00–08:00
Partly cloudy.
16° 0 mm Gentle breeze, 5 m/s from southGentle breeze, 5 m/s from south
08:00–14:00
Cloudy.
16° 0 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
14:00–20:00
Partly cloudy.
18° 0 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
20:00–02:00
Partly cloudy.
17° 0 mm Light breeze, 3 m/s from north-northeastLight breeze, 3 m/s from north-northeast
Monday 21/06/2021 02:00–08:00
Partly cloudy.
15° 0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
08:00–14:00
Cloudy.
17° 0 mm Gentle breeze, 4 m/s from southwestGentle breeze, 4 m/s from southwest
14:00–20:00
Partly cloudy.
21° 0 mm Gentle breeze, 5 m/s from south-southwestGentle breeze, 5 m/s from south-southwest
20:00–02:00
Partly cloudy.
20° 0 mm Gentle breeze, 5 m/s from north-northeastGentle breeze, 5 m/s from north-northeast
Tuesday 22/06/2021 02:00–08:00
Partly cloudy.
16° 0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
08:00–14:00
Partly cloudy.
16° 0 mm Gentle breeze, 4 m/s from northeastGentle breeze, 4 m/s from northeast
14:00–20:00
Partly cloudy.
20° 0 mm Gentle breeze, 4 m/s from north-northeastGentle breeze, 4 m/s from north-northeast
20:00–02:00
Partly cloudy.
18° 0 mm Gentle breeze, 4 m/s from southwestGentle breeze, 4 m/s from southwest
Wednesday 23/06/2021 02:00–08:00
Partly cloudy.
16° 0 mm Gentle breeze, 5 m/s from southwestGentle breeze, 5 m/s from southwest
08:00–14:00
Partly cloudy.
17° 0 mm Gentle breeze, 5 m/s from eastGentle breeze, 5 m/s from east
14:00–20:00
Partly cloudy.
19° 0 mm Gentle breeze, 5 m/s from northGentle breeze, 5 m/s from north
20:00–02:00
Partly cloudy.
18° 0 mm Gentle breeze, 4 m/s from southwestGentle breeze, 4 m/s from southwest
Thursday 24/06/2021 02:00–08:00
Partly cloudy.
16° 0 mm Gentle breeze, 5 m/s from northeastGentle breeze, 5 m/s from northeast
08:00–14:00
Fair.
16° 0 mm Gentle breeze, 5 m/s from northeastGentle breeze, 5 m/s from northeast
14:00–20:00
Partly cloudy.
18° 0 mm Moderate breeze, 6 m/s from southwestModerate breeze, 6 m/s from southwest
20:00–02:00
Partly cloudy.
18° 0 mm Moderate breeze, 6 m/s from south-southeastModerate breeze, 6 m/s from south-southeast
Friday 25/06/2021 02:00–08:00
Partly cloudy.
15° 0 mm Moderate breeze, 6 m/s from north-northeastModerate breeze, 6 m/s from north-northeast

The meteorologist’s text forecast

You will find the text forecast at this page.

Probability forecast for Grepan

Probability forecast for Grepan, Færder (Vestfold og Telemark)
Saturday: Highs probably between 15.5° C and 18.7° C. Lows between 14.3° and 16.8°.	Sunday: Highs probably between 14.5° C and 16.5° C. Lows between 14.1° and 15.6°.	Monday: Highs probably between 14.8° C and 19.4° C. Lows between 13.8° and 17.4°.	Tuesday: Highs probably between 14.8° C and 21.2° C. Lows between 14.2° and 18.3°.	Wednesday: Highs probably between 13.8° C and 18.9° C. Lows between 13.7° and 17.9°.	Thursday: Highs probably between 14.1° C and 17.2° C. Lows between 12.9° and 15.8°.	Friday: Highs probably between 13.0° C and 16.1° C. Lows between 12.7° and 15.6°.	Saturday 00–06: *Sannsynligvis nedbør, men trolig mindre enn 5 mm. Saturday 06–12: *Sannsynligvis nedbør, men trolig mindre enn 7 mm. Saturday 12–18: *Sannsynligvis nedbør, men trolig mindre enn 4 mm. Saturday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Sunday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Sunday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Sunday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.2 mm kan forekomme. Sunday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 3 mm. Monday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 4 mm. Monday 06–12: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 5 mm. Monday 12–18: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Monday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Tuesday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Tuesday 06–12: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Tuesday 12–18: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Tuesday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Wednesday 00–06: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Wednesday 06–12: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Wednesday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Wednesday 18–24: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Thursday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.4 mm kan forekomme. Thursday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.7 mm kan forekomme. Thursday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.7 mm kan forekomme. Thursday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Friday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme. Friday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme.
Precipitation:
50% probability
30% probability
Temperature:
50% probability
30% probability

Long time forecast is quite reliable for temperature when the grey area has a narrow spread. Likewise it is quite reliable for precipitation when the blue bars are short.

The long time forecast is uncertain when the gray area has greater spread, and the blue bars are long.

Read more about the probability forecast